Originally Posted by
Jade67
Trying to decide between this and the R1 Wurks. I bought a D3.5 literally a week before this came out trying to get back into the sport and now I am trying to make sure that everything is kosher or at least have a kosher setup for big non club races
The R1 is a d3.5 for the most part. From what I am hearing the D4 has more torque the the R1 and about the same top end. You just have to set it up right to get the maximum potential out of it. I have never run the R1 but I can tell you the D4 rocks!